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Rubicon Technology, Inc. (Rubicon) is an electronic materials provider that develops, manufactures and sells monocrystalline sapphire and other crystalline products for light emitting diodes (LEDs), radio frequency integrated circuits (RFICs), blue laser diodes, optoelectronics and other optical applications. The Company applies its own crystal growth technology called ES2 to produce sapphire products, sold as cores and wafers in 2-inch to 6-inch diameters, and sapphire and optical windows in sizes from one-inch to nine-inch diameters. Rubicon principally caters to the solid state lighting, semiconductor, consumer electronics, aerospace and sensor markets. It distributes its products on a global basis. The Company derives the majority of its revenue from sales of two- to four-inch sapphire cores and wafers for use in LEDs for solid state lighting applications and LEDs and blue laser diodes for consumer electronic applications.